"My palms started sweating, my heart started racing, my stomach started doing flip-flops. "This open authentication scheme is used by Facebook, it's used by Google, it's used by Twitter.

I was absolutely mortified." And Mari isn't the only one.

Used to brainstorm or jot down notes, Popplet helps professionals organize their thoughts and generate their next big idea.

"However, what happened was it brought me to the Zoosk site, which turned out to be a dating site. "So I opened it and found out — unbeknownst to me — Zoosk had created a dating profile for me." Sherkin says she was horrified to see the dating profile, which used her Facebook photo, her name and her postal code. There are many similar complaints online from women who say they have no idea how a dating profile was created for them on Zoosk.

Students can capture facts, thoughts, and images and learn to create relationships between them.

In the office or on the go, professionals use Popplet to generate ideas and plan projects.

Summer is here, the festivals are coming, and if you’re looking for a muddy fling that lasts no longer than three days then Tinder can help you find the perfect music-loving tent buddy.

A survey by u Switch showed that nearly one in five of us will be getting our dating app game on during a festival, which is a staggering 2.5 million millennials swiping their way through the crowds.